Solve only if you are 100 % sure, else allow other experts to do , otherwise i will downvote The following series of standard penetration test (SPT) results was obtained in an 18-ft thick stratum of relatively uniform silty sand: Depth (ft): 3, 6, 9, 15Ngo: 11, 14, 17, 16The groundwater table is at a depth of 2.75 ft. Assume a reasonable unit weight for the soil, thendetermine ø' for each test. Recommend a single design ø' value for this stratum.

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Engineering

Civil Engineering

er experts to do , otherwise i will downvote The following series of standard penetration test (SPT) results

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter9: Settlement Of Shallow Foundations

Section: Chapter Questions

Problem 9.5P

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The following series of standard penetration test (SPT) results was obtained in an 18-ft thick stratum of relatively uniform silty sand:

Depth (ft): 3, 6, 9, 15
Ngo: 11, 14, 17, 16
The groundwater table is at a depth of 2.75 ft. Assume a reasonable unit weight for the soil, then
determine ø' for each test. Recommend a single design ø' value for this stratum.

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